John Paul Jones, Jimmy Page and Robert Plant of Led Zeppelin speak with Buddy Guy (2nd R) as they prepare to pose for a photograph following a dinner for Kennedy honorees hosted by U.S. Secretary of State Hillary Rodham Clinton at the U.S. Department of State on December 1, 2012 in Washington, DC. The 2012 honorees are Buddy Guy, actor Dustin Hoffman, late-night host David Letterman, dancer Natalia Makarova, and members of the British rock band Led Zeppelin Robert Plant, Jimmy Page, and John Paul Jones.

John Paul Jones, Jimmy Page and Robert Plant of Led Zeppelin speak with Buddy Guy (2nd R) as they prepare to pose for a photograph following a dinner for Kennedy honorees hosted by U.S. Secretary of State ... more

Photo: Pool, Getty Images

John Paul Jones, Jimmy Page and Robert Plant of Led Zeppelin speak... Photo-5066415.68513 - NewsTimes

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Former Led Zeppelin lead singer Robert Plant performs with his band The Sensational Space Shifters during the Timbre Rock & Roots Festival 2013 on March 21, 2013 in Singapore.

Former Led Zeppelin lead singer Robert Plant performs with his band The Sensational Space Shifters during the Timbre Rock & Roots Festival 2013 on March 21, 2013 in
Singapore.

Photo: Chris McGrath, Getty Images

Former Led Zeppelin lead singer Robert Plant performs with his band... Photo-5066416.68513 - NewsTimes

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Taboola Gallery Frame Item-85307.68513 - NewsTimes

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Former Led Zeppelin lead singer Robert Plant performs on stage with his band The Sensational Space Shifters at Bluesfest Byron Bay 2013 - Day 3 on March 30, 2013 in Byron Bay, Australia.

Former Led Zeppelin lead singer Robert Plant performs on stage with his band The Sensational Space Shifters at Bluesfest Byron Bay 2013 - Day 3 on March 30, 2013 in Byron Bay, Australia.

Photo: Matt Roberts, Getty Images

Former Led Zeppelin lead singer Robert Plant performs on stage with... Photo-5066417.68513 - NewsTimes